Not feeding with fresh magazine

[SNEAKS]

Thanks guys. Yes, it was catching on the carrier not the bolt. It has an adjustable gas block and was under gassed.

Addax Tactical lower receiver
- Vltor upper receiver
- Liberty 18" 6.5 Grendel II Med contour Mid length gas 1/8 twist 5R
stainless steel 9/16 -24 thread with matching bolt
- Aero Precision bolt carrier
- JP Enterprise .750 adjustable gas block
- Alexander Arms muzzle brake
- BCM charge handle medium size
- Aero Precision 15" M-Lok foregrip
- M-Lok bipod adapter
- Caldwell 6"-9" bipod
- S&W lower parts kit
- Hera Arms CQR stock
- Alexander Arms 10rd mags x2
- Black Rain Ordinance trigger group w/ KNS pin set
- generic buffer tube, spring and castle nut
- Vortex HST 4-16x 44 mrad scope
- Vortex cantilever 30mm scope mount